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AP/GP help (1 Viewer)

icycledough

Well-Known Member
Joined
Aug 5, 2021
Messages
784
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Male
HSC
2020
So with this one,

x - 1 = sqrt ((x - 3)(x + 4))

Squaring both sides, (x - 1)^2 = (x - 3)(x + 4)
x^2 - 2x + 1 = x^2 + x - 12
-3x = -13, x = 13/3
 

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